🕳️ Black hole
V404 Cygni
A black hole that woke up in 2015 with a burst of X-rays.
- Mass
- 10 times the mass of the Sun
- Distance
- 8,000 light-years away
Did you know?
- A star a little smaller than the Sun circles it every 6.5 days, and the black hole pulls gas off it.
- Its 2015 outburst was its first in 26 years, and telescopes around the world turned to watch.
The life of a starA step in a star’s life: a neutron star or a black hole
More NASA photos of V404 CygniStraight from NASA’s image library, in the app